ماهیگیری بی‌رویه

thumb|300px|Trachurus|Jack mackerel caught by a Chilean purse seiner thumb|350px|Fishing down the food web Overfishing is the removal of aquatic animals—primarily fish—from a body of water at a rate greater than that the species can replenish its population naturally (i.e. the overexploitation of the fishery's existing fish stocks), resulting in the species becoming increasingly underpopulated in that area. Excessive fishing practices can occur in water bodies of any sizes, from ponds, wetlands, rivers, lakes to seas and oceans, and can result in resource depletion, reduced biological growth r